* {
    padding: 0;
    margin: 0;
}

body {
    text-align: center;
}

canvas {
    border: solid 1px gray;
    float: left;
}

button {
    width: 100px;
    height: 30px;
}

.container {
    margin: 20px auto;
    width: 610px;
}

.tips {
    position: relative;
    margin-left: 6px;
    float: left;
    width: 200px;
    height: 300px;
}

.tips p {
    position: relative;
    top: 50%;
    width: 200px;
    transform: translateY(-50%);
    text-align: left;
    text-indent: 2em;
}

.info {
    width: 200px;
    height: 30px;
    float: right;
    font-size: 24px;
    text-align: center;
}

.win {
    color: blue;
}

.lost {
    color: red;
}

.btn_container {
    padding-top: 5px;
    width: 400px;
    clear: both;
}